CN1134206C - 声音重放装置、耳机装置及其信号处理装置 - Google Patents

声音重放装置、耳机装置及其信号处理装置 Download PDF

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Publication number
CN1134206C
CN1134206C CNB991008642A CN99100864A CN1134206C CN 1134206 C CN1134206 C CN 1134206C CN B991008642 A CNB991008642 A CN B991008642A CN 99100864 A CN99100864 A CN 99100864A CN 1134206 C CN1134206 C CN 1134206C
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China
Prior art keywords
signal
audio signal
signal processing
circuit
channel
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Expired - Fee Related
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CNB991008642A
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English (en)
Chinese (zh)
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CN1230867A (zh
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������ɽ����
山田裕司
池田恭久
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Sony Corp
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Sony Corp
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Publication of CN1230867A publication Critical patent/CN1230867A/zh
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
    • H04S1/005—For headphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/007—Two-channel systems in which the audio signals are in digital form
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/302—Electronic adaptation of stereophonic sound system to listener position or orientation
    • H04S7/303—Tracking of listener position or orientation
    • H04S7/304—For headphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/07—Applications of wireless loudspeakers or wireless microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
    • H04S3/004—For headphones

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Stereophonic System (AREA)
CNB991008642A 1998-01-22 1999-01-22 声音重放装置、耳机装置及其信号处理装置 Expired - Fee Related CN1134206C (zh)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP1023998 1998-01-22
JP10239/1998 1998-01-22
JP10239/98 1998-01-22
JP10140972A JPH11275696A (ja) 1998-01-22 1998-05-22 ヘッドホン、ヘッドホンアダプタおよびヘッドホン装置
JP140972/1998 1998-05-22
JP140972/98 1998-05-22

Publications (2)

Publication Number Publication Date
CN1230867A CN1230867A (zh) 1999-10-06
CN1134206C true CN1134206C (zh) 2004-01-07

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNB991008642A Expired - Fee Related CN1134206C (zh) 1998-01-22 1999-01-22 声音重放装置、耳机装置及其信号处理装置

Country Status (6)

Country Link
US (2) US6614912B1 (fr)
EP (1) EP0932324B1 (fr)
JP (1) JPH11275696A (fr)
KR (1) KR100533136B1 (fr)
CN (1) CN1134206C (fr)
DE (1) DE69941237D1 (fr)

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* Cited by examiner, † Cited by third party
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CN106878873A (zh) * 2015-10-23 2017-06-20 圆刚科技股份有限公司 电子装置及其声音信号调整方法

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CN106878873A (zh) * 2015-10-23 2017-06-20 圆刚科技股份有限公司 电子装置及其声音信号调整方法

Also Published As

Publication number Publication date
EP0932324A3 (fr) 2005-09-14
DE69941237D1 (de) 2009-09-24
EP0932324A2 (fr) 1999-07-28
KR100533136B1 (ko) 2005-12-01
US20030210800A1 (en) 2003-11-13
US6614912B1 (en) 2003-09-02
JPH11275696A (ja) 1999-10-08
KR19990068019A (ko) 1999-08-25
CN1230867A (zh) 1999-10-06
EP0932324B1 (fr) 2009-08-12

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